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Название: Normal Affine Surfaces with C*-actions
Авторы: Flenner H., Zaidenberg M.
This research started during a visit of the first author at the Institut Fourier of the University of Grenoble, and continued during a stay of both of us at the Max Planck Institute of Mathematics at Bonn and of the second author at the Ruhr University at Bochum. The authors thank these institutions for their support.